Question

A laser device produces amplification in the

• A. microwave region
• B. ultraviolet or visible region
• C. infrared region
• D. None of the above

Answer 1

The correct option is B

ultraviolet or visible region

1. A Laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
2. Light emitted by the laser falls in the ultraviolet frequency range and visible frequency range.
3. That's why laser device produces amplification in the ultraviolet region and visible region.

Hence, Option $\left(B\right)$ is correct.